Compare 1011 vs 1013
| Property | 1011 | 1013 | 
|---|---|---|
| Type | semiprime | prime | 
| Unique factors | 2 | 1 | 
| Total factors | 2 | 1 | 
| Prime factorization | 31 × 3371 | 10131 | 
| Prime factorization | 3 × 337 | 1013 | 
| Divisors count | 4 | 2 | 
| Divisors | 1, 3, 337, 1011 | 1, 1013 | 
| Number of properties | 1 | 8 | 
| Additive primes | 90th | |
| Centered square primes | 11th | |
| Cousin primes (2nd member) | 42nd | |
| Isolated primes | 101st | |
| Primes | 170th | |
| Pythagorean primes | 82nd | |
| Semiprimes | 303rd | |
| Sexy primes (1st member) | 75th | |
| Sophie germain primes | 38th | |
| Roman numberals | MXI | MXIII | 
| Base 2 | 11111100112 | 11111101012 | 
| Base 3 | 11011103 | 11011123 | 
| Base 4 | 333034 | 333114 | 
| Base 5 | 130215 | 130235 | 
| Base 6 | 44036 | 44056 | 
| Base 7 | 26437 | 26457 | 
| Base 8 | 17638 | 17658 | 
| Base 9 | 13439 | 13459 | 
| Base 10 | 101110 | 101310 | 
| Base 11 | 83a11 | 84111 | 
| Base 12 | 70312 | 70512 | 
| Base 13 | 5ca13 | 5cc13 | 
| Base 14 | 52314 | 52514 | 
| Base 15 | 47615 | 47815 | 
| Base 16 | 3f316 | 3f516 |